81 lines
3.2 KiB
Scheme
81 lines
3.2 KiB
Scheme
#lang scheme
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(require scheme/class "jabberer.ss" "message.ss" "list-utils.ss")
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(provide (all-defined-out))
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; the client listens to all the messages from the logic side
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; and decides which ones to send out to the network
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; it also listens to the network and pokes the logic with updates
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(define client%
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(class object%
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(init-field
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(jid "none@nowhere")
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(pass "xxxx"))
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(field
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(all-plants
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(list
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"plant0000001@fo.am"
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"plant0000002@fo.am"
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"plant0000003@fo.am"
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"plant0000004@fo.am"
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"plant0000005@fo.am"
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"dave@fo.am"
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))
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(plants-present '())
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(msg-filter (list 'new-pickup 'pick-up-pickup)) ; messages we don't want to send across the network
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(jab (make-object jabberer% jid pass)))
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(define/public (setup)
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(send jab start)
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(send-msg all-plants (make-object message% 'hello-world (list (list 'plant-id jid)))))
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(define/public (send-msg recipients msg)
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(for-each
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(lambda (plant)
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(when (not (string=? plant jid)) ; dont send to ourselves!
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(send jab send-msg plant (send msg to-string))))
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recipients))
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(define (fetch-messages l game-logic)
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(cond ((not (send jab msg-waiting?)) l)
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(else
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(let* ((msg (send jab get-msg))
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(from (car msg))
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(body (cadr msg)))
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; build a message from the xmpp message
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(let ((msg (make-object message%)))
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(send msg from-string body)
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(let ((name (send msg get-name)))
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; filter out the messages we need to respond to
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; (and don't need sending to the rest of the game)
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(cond
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((eq? name 'hello-world)
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(printf "received hello-world from ~a~n" (send msg get-data 'plant-id))
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(set! plants-present (cons (send msg get-data 'plant-id) plants-present))
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(send-msg (list from) (make-object message% 'i-am-here (list (list 'plant-id jid))))
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; send out our plant description messages
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(for-each
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(lambda (msg)
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(printf "sending plant info to ~a ~n" from)
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(send-msg (list from) msg))
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(send game-logic get-player-plant-desc))
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(fetch-messages l game-logic))
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((eq? name 'i-am-here)
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(set! plants-present (cons (send msg get-data 'plant-id) plants-present))
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(printf "received i-am-here ~a~n" plants-present)
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(fetch-messages l game-logic)) ; todo: send plant to view
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(else
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(fetch-messages (cons msg l) game-logic)))))))))
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(define/public (update messages game-logic)
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(for-each
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(lambda (msg)
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(when (not (list-contains (send msg get-name) msg-filter))
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(send-msg all-plants msg))) ; todo - need to send to plants-present only
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messages)
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(fetch-messages messages game-logic)) ; add get messages from the network on
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(super-new)))
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